Method diffToNearestCoordInBox

source/base/StarWorldGeometry.cpp:349–356

}

Vec2F WorldGeometry::diffToNearestCoordInBox(RectF const& box, Vec2F const& pos) const {
  RectF t(box);
  auto offset = t.center();
  auto r = diff(pos, offset);
  t.setCenter({});
  auto coord = t.nearestCoordTo(r) + offset;
  return diff(pos, coord);
}

}